How many bottles of ketchup for 100 hot dogs?

There are usually 20 hot dog links in a package, so 5 packages of hot dog links should equal approximately 100 hot dogs. A standard bottle of ketchup is about 14 ounces. According to the National Hot Dog and Sausage Council, the average person uses 1 ounce of ketchup per hot dog. Therefore, for 100 hot dogs, you would need about 100 ounces of ketchup, or about 7 to 8 standard bottles of ketchup.